997 2005-2012 911 C2, C2S, C4, C4S, GTS, Targa and Cabriolet Model Discussion.
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Help please! DME report opinions...

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Old May 26, 2015 | 01:37 PM
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Help please! DME report opinions...

delete, answered my questions w. this helpful post: https://www.6speedonline.com/forums/...tive-post.html
 

Last edited by QWKSLVRNSX; May 26, 2015 at 02:50 PM.
Old May 26, 2015 | 02:28 PM
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Originally Posted by QWKSLVRNSX
Should I pull the trigger? Some say stay away if there are any over revs in in the 4 to 6 range. But this 997.1S that I'm looking at shows 1 ignition in each 4,5,6 range. That means .002 of a second. Are these numbers catastrophic? And they occurred a while ago…

On the contrary, I have read that Porsche sometimes CPO's cars with 5 & 6 range over revs. The avg. speed is 26 mph (actual mileage/ op hours), which is essentially garage queen status.

She has 49,275 miles

Thanks for your input!

Below is the overrev test for the ’07 Carrera S:

Number of ignitions at speed > maximum speed, range 1
519
Number of ignitions at speed > maximum speed, range 2
124
Number of ignitions at speed > maximum speed, range 3
11
Number of ignitions at speed > maximum speed, range 4
1
Number of ignitions at speed > maximum speed, range 5
1
Number of ignitions at speed > maximum speed, range 6
1
Operating hours counter reading at overspeed, range 1
1747.600 h
Operating hours counter reading at overspeed, range 2
1747.600 h
Operating hours counter reading at overspeed, range 3
1747.600 h
Operating hours counter reading at overspeed, range 4
552.000 h
Operating hours counter reading at overspeed, range 5
552.000 h
Operating hours counter reading at overspeed, range 6
552.000 h
Operating hours counter
1832.800 h
This report looks pretty good - the 1 ignition in each of ranges 4, 5 and 6 is an anomaly - with 3 ignitions every revolution no has yet explained how you could get 1 ignition in each of these higher ranges with an increasing rpm threshold as you move from range 4 to 5 to 6...so ignore the readings in ranges 4, 5 and 6.
 



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